diff --git a/magnum_ui/api/rest/__init__.py b/magnum_ui/api/rest/__init__.py
index 4d5a6643..61c1a7ed 100644
--- a/magnum_ui/api/rest/__init__.py
+++ b/magnum_ui/api/rest/__init__.py
@@ -13,4 +13,4 @@
 # limitations under the License.
 
 # Import REST modules here
-from . import magnum  # noqa
+from . import magnum  # noqa: F401
diff --git a/magnum_ui/content/clusters/panel.py b/magnum_ui/content/clusters/panel.py
index 0d97ffac..7bf42ac3 100644
--- a/magnum_ui/content/clusters/panel.py
+++ b/magnum_ui/content/clusters/panel.py
@@ -18,7 +18,7 @@ import horizon
 # DO NOT REMOVE
 # This needs for register url of REST API.
 # Dashboard plugins load REST API from here.
-from magnum_ui.api.rest import magnum  # noqa
+from magnum_ui.api.rest import magnum  # noqa: F401
 
 
 class Clusters(horizon.Panel):
diff --git a/magnum_ui/test/settings.py b/magnum_ui/test/settings.py
index 82e9d228..cdd5f75e 100644
--- a/magnum_ui/test/settings.py
+++ b/magnum_ui/test/settings.py
@@ -13,8 +13,8 @@
 #    under the License.
 
 # Default to Horizons test settings to avoid any missing keys
-from horizon.test.settings import *  # noqa
-from openstack_dashboard.test.settings import *  # noqa
+from horizon.test.settings import *  # noqa: F403,H303
+from openstack_dashboard.test.settings import *  # noqa: F403,H303
 
 # pop these keys to avoid log warnings about deprecation
 # update_dashboards will populate them anyway
diff --git a/manage.py b/manage.py
index f45a1fe6..16eb4283 100755
--- a/manage.py
+++ b/manage.py
@@ -15,7 +15,7 @@
 import os
 import sys
 
-from django.core.management import execute_from_command_line  # noqa
+from django.core.management import execute_from_command_line
 
 if __name__ == "__main__":
     os.environ.setdefault("DJANGO_SETTINGS_MODULE",
diff --git a/tools/install_venv.py b/tools/install_venv.py
index 38963c9d..b4ffff5b 100644
--- a/tools/install_venv.py
+++ b/tools/install_venv.py
@@ -20,7 +20,7 @@
 import os
 import sys
 
-import install_venv_common as install_venv  # noqa
+import install_venv_common as install_venv
 
 
 def print_help(venv, root):
diff --git a/tox.ini b/tox.ini
index 847263f1..54b67380 100644
--- a/tox.ini
+++ b/tox.ini
@@ -67,25 +67,3 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 exclude = .venv,.git,.tox,dist,*lib/python*,*egg,build,panel_template,dash_template,local_settings.py,*/local/*,*/test/test_plugins/*,.ropeproject,node_modules
 max-complexity = 20
 
-[hacking]
-import_exceptions = collections.defaultdict,
-                    django.conf.settings,
-                    django.conf.urls.include,
-                    django.conf.urls.patterns,
-                    django.conf.urls.url,
-                    django.core.urlresolvers.reverse,
-                    django.core.urlresolvers.reverse_lazy,
-                    django.template.loader.render_to_string,
-                    django.test.utils.override_settings,
-                    django.utils.datastructures.SortedDict,
-                    django.utils.encoding.force_text,
-                    django.utils.html.conditional_escape,
-                    django.utils.html.escape,
-                    django.utils.http.urlencode,
-                    django.utils.safestring.mark_safe,
-                    django.utils.translation.npgettext_lazy,
-                    django.utils.translation.pgettext_lazy,
-                    django.utils.translation.ugettext_lazy,
-                    django.utils.translation.ungettext_lazy,
-                    operator.attrgetter,
-                    StringIO.StringIO